CN213326329U

CN213326329U - Pipe penetrating device

Info

Publication number: CN213326329U
Application number: CN202022190462.8U
Authority: CN
Inventors: 阳静泉; 阳江华; 姜平; 朱华
Original assignee: China Petroleum Natural Gas Sixth Construction Co ltd
Current assignee: China Petroleum Natural Gas Sixth Construction Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-01
Anticipated expiration: 2030-09-29

Abstract

The utility model relates to a pipeline installation technical field discloses a pipe perforating device, and it includes: a traction head: the traction head is arranged at the first end of the traction cylinder; a first end of the pull rod penetrates through the traction cylinder, and a second end of the pull rod penetrates through the second end of the traction cylinder; the clamping device is used for connecting a pipeline port and is connected with the second end of the pull rod; the utility model discloses in, pull a section of thick bamboo and be connected with the wire rope or the lifting hook of hoist engine, when carrying out the finned tube poling operation, the traction head is pulled, is promoted by wire rope or suspension buckle, and even take and pull a section of thick bamboo, pull rod, chucking device and finned tube together rise, and pass the tube hole on the tube sheet, makes the finned tube pass the tube hole on the tube sheet easily for the poling operation of finned tube is gone on more easily, safely, can not cause damage and other safety problems to the pipeline mouth of finned tube.

Description

Pipe penetrating device

Technical Field

The utility model relates to a pipeline installation technical field especially relates to a pipe penetrating device.

Background

A heating furnace is commonly arranged in the petrochemical industry to heat a medium, so that the temperature of the medium is raised to reach the condition of chemical reaction; a large number of furnace tubes, tube plates, hangers and other parts are arranged in the convection section of the heating furnace, and finned tubes are arranged in the convection section, are more than 20 meters long and weigh 1.2 tons, and are used for assisting the heating furnace in heat dissipation; in the installation process of a heating furnace, the installation of finned tubes is always a difficult problem, the finned tubes are to be installed in a convection chamber 26 m higher than the ground, 5 tube plates with the height of 3 m need to be penetrated through firstly, and the traditional installation modes of the finned tubes are as follows: one is full-manual lifting and pulling for pipe penetration, 20 persons need to pull the shoulder to match, and the problems of low safety coefficient, low efficiency and the like exist; one of the two methods is that a winch pulls a finned tube to penetrate the tube, and the tube opening of the finned tube needs to be frequently bound and unbound during penetrating the tube so as to align the tube opening of the finned tube to a tube hole of a tube plate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: aiming at the problems in the prior art, the problems of low safety factor, low efficiency, easy damage to the pipe orifice of the finned pipe and the like exist in the installation mode of the finned pipe of the existing heating furnace, and a safe and reliable finned pipe penetrating device is provided.

In order to achieve the above object, the utility model provides a pipe perforating device, it includes: a traction head: the traction head is arranged at the first end of the traction cylinder; a first end of the pull rod penetrates through the traction cylinder, and a second end of the pull rod penetrates through the second end of the traction cylinder; a clamping device for connection to a pipe port, the clamping device being connected to the second end of the pull rod.

Preferably, the traction cylinder is a conical cylinder, and the outer diameter of the first end of the conical cylinder is smaller than that of the second end of the conical cylinder.

Preferably, the clamping device comprises a chuck and a plurality of clamping jaws arranged on the chuck and used for abutting against the inner wall of the pipeline port, and the second end of the pull rod is connected with the chuck.

As the preferred scheme, the clamping device further comprises an adjusting nut and a cushion block, the pull rod is a screw rod, the adjusting nut is sleeved on the outside of the screw rod, the cushion block is arranged at the end part of the second end of the screw rod, the chuck sleeve is arranged on the screw rod and is positioned between the adjusting nut and the cushion block, and the clamping jaws are respectively abutted to the inner wall of the pipeline port and the cushion block.

Preferably, a slope extends from one end, close to the screw rod, of the clamping jaw to one end, abutted to the inner wall of the pipeline opening, and an inclined plane attached to the slope is arranged on the cushion block.

Preferably, a gasket used for enhancing the friction force between the clamping jaw and the inner wall of the pipeline port is installed at one end, abutted against the inner wall of the pipeline port, of the clamping jaw.

Preferably, the gasket is a rubber sheet.

Preferably, the traction head is a hanging ring or a hanging hook.

The embodiment of the utility model provides a pipe perforating device, compared with the prior art, its beneficial effect lies in:

the utility model discloses in, the first end of a traction section of thick bamboo and be connected with the wire rope or the suspension clasp of hoist engine are drawn in the first end of pull rod is worn to locate and is drawn a section of thick bamboo, the second end is worn out and is drawn a second end of section of thick bamboo and be connected with chucking device, the pipeline mouth of finned tube is connected to chucking device, when carrying out the finned tube poling operation, the traction head is drawn by wire rope or suspension clasp, promote, the area is drawn a section of thick bamboo even, the pull rod, chucking device and finned tube rise together, and pass the tube hole on the tube sheet, and draw a section of thick bamboo and cover the projection of finned tube at the direction of traction, can avoid the finned tube to run through in-process and tube hole collision, make the finned tube pass the tube hole easily, make the poling operation of finned tube easier, go on safely.

Drawings

Fig. 1 is a schematic structural diagram of a pipe penetrating device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a rodder gripping a pipe orifice according to an embodiment of the present invention;

in the figure, 1, a traction head; 2. a traction drum; 21. a tapered barrel; 3. a pull rod; 31. a screw rod; 4. a clamping device; 41. a chuck; 42. a claw; 421. a slope; 43. adjusting the nut; 44. cushion blocks; 441. a bevel; 45. a gasket; 5. a pipeline port.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "first", "second", and the like are used in the present invention to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

As shown in fig. 1-2, a tube penetrating device according to a preferred embodiment of the present invention includes: a traction head 1: the traction cylinder 2 is provided with a traction head 1 at a first end of the traction cylinder 2; a first end of the pull rod 3 penetrates through the traction cylinder 2, and a second end of the pull rod penetrates through the second end of the traction cylinder 2; and the clamping device 4 is used for connecting a pipeline port 5 of the finned tube, and the clamping device 4 is connected with the second end of the pull rod 3.

Based on the technical scheme, in the utility model, the traction head 1 is arranged at the first end of the traction cylinder 2 and is connected with the steel wire rope or the suspension buckle of the winch, the first end of the pull rod 3 is arranged in the traction cylinder 2 in a penetrating way, the second end of the pull rod is arranged out of the second end of the traction cylinder 2 and is connected with the clamping device 4, the clamping device 4 is connected with the pipeline opening 5 of the finned tube, when the finned tube is penetrated, the traction head 1 is pulled by the steel wire rope or the suspension buckle, the traction cylinder 2, the pull rod 3, the clamping device 4 and the finned tube are together penetrated through the tube hole on the tube plate, and the projection of the traction cylinder 2 in the traction direction covers the projection of the finned tube in the traction direction, so that the finned tube can be prevented from colliding with the tube hole in the tube penetrating process, the finned tube can easily penetrate through the tube hole on the tube plate, the tube penetrating operation of the, and manpower consumption is saved.

In the embodiment, the traction cylinder 2 is preferably a conical cylinder 21, the outer diameter of the first end of the conical cylinder 21 is smaller than that of the second end of the conical cylinder, when the traction finned tube passes through the tube hole on the tube plate, the conical cylinder 21 firstly passes through the tube hole, the first end of the conical cylinder 21 firstly enters the tube hole, and the outer diameter of the first end of the conical cylinder is smaller, so that the conical cylinder 21 can easily enter the tube hole and cannot collide with the tube plate; when the side wall of the tapered cylinder 21 contacts with the inner wall of the pipe hole and even possibly collides, the side wall of the tapered cylinder 21 is an inclined slope (the first end of the tapered cylinder gradually inclines outwards from the second end), so that the central axis of the tapered cylinder 21 gradually coincides with the central axis of the pipe hole in the lifting process, and the central axis of the pipeline opening gradually coincides with the central axis of the pipe hole, so that the collision force between the side wall of the tapered pipe 21 and the inner wall of the tapered pipe hole is gradually reduced, the tapered pipe 21 is gradually stabilized, and finally the tapered pipe 21 smoothly passes through the pipe hole. Further, the outer diameter of the second end of the tapered cylinder 21 is larger than the outer diameter of the finned tube opening 5, the tapered cylinder 21 smoothly penetrates through the tube hole, the finned tube following the tapered cylinder can smoothly penetrate through the middle of the tube hole and cannot collide with the tube plate or even the inner wall of the tube hole, the finned tube penetrates through the tube hole without being damaged, and therefore tube penetrating operation of the finned tube can be performed smoothly.

In this embodiment, the clamping device 4 comprises a chuck 41 and a plurality of clamping jaws 42 arranged on the chuck 41 and used for abutting against the inner wall of the finned tube port 5, and the second end of the pull rod 3 is connected with the chuck 41; specifically, the clamping device 4 further comprises an adjusting nut 43 and a cushion block 44, the pull rod 3 is a lead screw 31, the adjusting nut 43 is sleeved outside the lead screw 31, the cushion block 44 is arranged at the end part of the second end of the lead screw 31, the chuck 41 is sleeved on the lead screw 31 and is positioned between the adjusting nut 43 and the cushion block 44, the adjusting nut 43 is rotated to enable the adjusting nut 43 to approach towards the second end of the lead screw 31, namely the position where the cushion block 44 is located, the chuck 41 is forced to approach towards the cushion block 44, and the claw 42 is enabled to approach the cushion block 44 and abut against the inner wall of the pipeline port 5 and the cushion block 44, so that the pipeline port 5 is clamped and preparation is. The screw rod 31 and the adjusting nut 43 are arranged to be matched, so that the positions of the chuck 41 and the clamping jaws 42 on the screw rod 31 can be finely adjusted, the clamping jaws 42 are tightly clamped between the cushion block 44 and the pipeline port 5, and unnecessary accidents caused by separation of the pipeline port 5 from the clamping device 4 due to loose connection are avoided.

In order to increase the abutting area between the claw 42 and the cushion block 44 and increase the friction force between the claw 42 and the cushion block 44, a slope 421 extends from one end close to the screw rod 31 on the claw 42 to one end abutting against the inner wall of the pipeline port 5, and a slope 441 attached to the slope 421 is arranged on the cushion block 44; specifically, in the present embodiment, preferably, three claws 42 are provided, each of the three claws 42 is provided with a slope 421, the cushion block 44 is a tapered cushion block, and the inclined surface 441 of the tapered cushion block and each of the three slopes 421 can be perfectly attached to each other, so that the friction force between the claws 42 and the cushion block 44 is increased; further, the gasket 45 that is used for strengthening frictional force between the inner wall of jack catch 42 and pipeline mouth 5 is installed to the one end of jack catch 42 butt pipeline mouth 5 inner wall, the preferred gasket 45 of this embodiment is the sheet rubber, the dynamic friction coefficient of sheet rubber compares in the height of jack catch 42, and it can become thin after receiving the extrusion, can increase the frictional force between the inner wall of jack catch 42 and pipeline mouth 5, jack catch 42, cushion 44 three firmly blocks, thereby realize the chucking finned tube, guaranteed that the finned tube can not take place to drop when carrying out the poling operation, make the poling operation can go on safely. Preferably, the traction head 1 is a hanging ring or a hanging hook in the embodiment, and the hanging ring and the hanging hook can be firmly connected with a steel wire rope or a hanging buckle of the winch, so that the winch, the pipe penetrating device and the finned pipe are firmly connected during pipe penetrating operation, and the pipe penetrating operation is smoothly performed.

The utility model discloses a working process does:

the traction head 1 is connected with a steel wire rope or a suspension buckle of a winch; the clamping device 4 extends into the finned tube pipeline port 5, the adjusting nut 43 is rotated, the adjusting nut 43 is enabled to be close to the second end of the screw rod 31, namely the position of the cushion block 44, so that the chuck 41 and the clamping jaws 42 are forced to be close to the cushion block 44, the clamping jaws 42 can be simultaneously abutted against the cushion block 44 and the inner wall of the pipeline port 5, and the pipeline port 5 is clamped; the traction head 1 is dragged and lifted by the winch, and is connected with the traction cylinder 2, the pull rod 3, the clamping device 4 and the finned tube to ascend together, so that the finned tube is penetrated.

To sum up, the embodiment of the utility model provides a pipe perforating device, its beneficial effect lies in:

the utility model discloses in, the first end of a traction section of thick bamboo and be connected with the wire rope or the suspension clasp of hoist engine are drawn in the first end of pull rod is worn to locate and is drawn a section of thick bamboo, the second end is worn out and is drawn a second end and be connected with chucking device to the second end, the pipeline mouth of finned tube is connected to chucking device, when carrying out the finned tube poling operation, the traction head is drawn by wire rope or suspension clasp, promote, it draws a section of thick bamboo to link the area, the pull rod, chucking device and finned tube rise together, and pass the tube hole on the tube sheet, and draw a section of thick bamboo to cover the projection of finned tube at the direction of traction, can avoid the finned tube to collide with the tube hole at the poling in-process, make the finned tube pass the tube hole on the tube sheet easily, make the poling operation of finned tube easier, go on safely.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A rodder, comprising:

a traction head:

the traction head is arranged at the first end of the traction cylinder;

a first end of the pull rod penetrates through the traction cylinder, and a second end of the pull rod penetrates through the second end of the traction cylinder;

a clamping device for connection to a pipe port, the clamping device being connected to the second end of the pull rod.

2. The rodder of claim 1, wherein the pulling drum is a conical drum having a first end with an outer diameter smaller than an outer diameter of a second end of the conical drum.

3. The rodder of claim 1, wherein the gripping device comprises a chuck and a plurality of jaws on the chuck for engaging an inner wall of the pipe port, and the second end of the pull rod is coupled to the chuck.

4. The tube penetrator according to claim 3, wherein the clamping device further comprises an adjusting nut and a cushion block, the pull rod is a lead screw, the adjusting nut is sleeved outside the lead screw, the cushion block is arranged at the end of the second end of the lead screw, the chuck is sleeved on the lead screw and is located between the adjusting nut and the cushion block, and the jaws are respectively abutted against the inner wall of the pipeline port and the cushion block.

5. The rodder of claim 4, wherein a ramp extends from the end of the jaw near the screw to the end abutting against the inner wall of the pipe port, and the pad has an inclined surface engaging with the ramp.

6. A rodder according to claim 3, wherein the end of the jaw that abuts the inner wall of the pipe port is fitted with a shim for increasing the friction between the jaw and the inner wall of the pipe port.

7. The rodder of claim 6, wherein the spacer is a rubber sheet.

8. The rodder of claim 1, wherein the traction head is a bail or hook.